.px2rem(@name, @px) {
    @{name}: @px / 75 * 1rem;
}

body,
html {
    background: #ededed;
}

.header {
    z-index: 99;
    width: 100%;
    .px2rem(height, 100);
    .px2rem(line-height, 100);
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    justify-content: space-between;
    background: #2f2f2f;
    span {
        color: white;
        .px2rem(font-size, 32);
        font-weight: bolder;
    }
    span:nth-child(1) {
        .px2rem(margin-left, 20)
    }
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: center;
    .px2rem(height, 138);
    .px2rem(margin-top,100);
    background: white;
    margin-bottom: 2%;
    figrue {
        width: 25%;
        color: #666666;
        text-align: center;
        p{
            .px2rem(font-size,14)
        }
        img {
            .px2rem(height, 60);
            .px2rem(width, 60);
        }
    }
}